Nasofrontal veinThe nasofrontal vein is a vein in the orbit around the eye. It drains into the superior [ophthalmic vein]. It can be used for endovascular access to the cavernous sinus.StructureThe nasofrontal vein drains into the superior ophthalmic vein.Clinical significanceThe nasofrontal vein can be used to access the superior ophthalmic vein and the cavernous sinus with endovascular tools.